// *******************************************************************
//   Coin.java            Author: Lewis and Loftus
//
//   Represents a coin with two sides that can be flipped.
// *******************************************************************

public class Coin
{
    public final int HEADS = 0;
    public final int TAILS = 1;

    private int face;

    // ---------------------------------------------
    //   Sets up the coin by flipping it initially.
    // ---------------------------------------------
    public Coin ()
    {
	flip();
    }

    // -----------------------------------------------
    //   Flips the coin by randomly choosing a face.
    // -----------------------------------------------
    public void flip()
    {
	face = (int) (Math.random() * 2);
    }

    // -----------------------------------------------------
    //   Returns the current face of the coin as an integer.
    // -----------------------------------------------------
    public int getFace()
    {
	return face;
    }

    // ----------------------------------------------------
    //   Returns the current face of the coin as a string.
    // ----------------------------------------------------
    public String toString()
    {
	String faceName;

	if (face == HEADS)
	    faceName = "Heads";
	else
	    faceName = "Tails";

	return faceName;
    }
}